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Finding the Fourth Proportional to 275,512.46, 413,239.52 and 88,509.38

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Solution

The fourth proportional to 275,512.46, 413,239.52 and 88,509.38 is: 132,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,512.46 : 413,239.52 = 88,509.38 : x
  2. Step 2: Convert to fraction form
    275,512.46/413,239.52 = 88,509.38/x
  3. Step 3: Cross multiply
    275,512.46x = 413,239.52 × 88,509.38
  4. Step 4: Simplify right side
    275,512.46x = 36,575,571,861.77
  5. Step 5: Solve for x
    x = 36,575,571,861.77/275,512.46
  6. Step 6: Final answer
    x = 132,754.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.